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ee.Geometry.MultiPolygon.geometries
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
返回 GeometryCollection 中的几何图形列表，或单个几何图形的单例列表。
| 用法 | 返回 |
|---|
MultiPolygon.geometries() | 列表 |
示例
代码编辑器 (JavaScript)
// Define a MultiPolygon object.
var multiPolygon = ee.Geometry.MultiPolygon(
[[[[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423]]],
[[[-122.081, 37.417],
[-122.086, 37.421],
[-122.089, 37.416]]]]);
// Apply the geometries method to the MultiPolygon object.
var multiPolygonGeometries = multiPolygon.geometries();
// Print the result to the console.
print('multiPolygon.geometries(...) =', multiPolygonGeometries);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPolygon,
{'color': 'black'},
'Geometry [black]: multiPolygon');
Python 设置
如需了解 Python API 和如何使用 geemap 进行交互式开发，请参阅
Python 环境页面。
import ee
import geemap.core as geemap
Colab (Python)
# Define a MultiPolygon object.
multipolygon = ee.Geometry.MultiPolygon([
[[
[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423],
]],
[[[-122.081, 37.417], [-122.086, 37.421], [-122.089, 37.416]]],
])
# Apply the geometries method to the MultiPolygon object.
multipolygon_geometries = multipolygon.geometries()
# Print the result.
display('multipolygon.geometries(...) =', multipolygon_geometries)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(
multipolygon, {'color': 'black'}, 'Geometry [black]: multipolygon'
)
m
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最后更新时间 (UTC)：2025-07-26。
[null,null,["最后更新时间 (UTC)：2025-07-26。"],[[["\u003cp\u003eThe \u003ccode\u003egeometries()\u003c/code\u003e method returns a list of individual geometries contained within a GeometryCollection or a single geometry for non-collection types.\u003c/p\u003e\n"],["\u003cp\u003eWhen applied to a MultiPolygon, \u003ccode\u003egeometries()\u003c/code\u003e returns a list of the Polygons that comprise it.\u003c/p\u003e\n"],["\u003cp\u003eThis method is useful for accessing and manipulating the individual components of complex geometries in Earth Engine.\u003c/p\u003e\n"]]],["The `geometries()` method extracts the underlying geometries from a `GeometryCollection` or returns a single-element list if the input is a single `Geometry`. For a `MultiPolygon`, like in the examples, it outputs a list of the component polygon geometries. The examples provided, in both JavaScript and Python, define a `MultiPolygon` object, apply `geometries()` to it, and print/display the resulting list of geometries. They also display the MultiPolygon visually on the map.\n"],null,["# ee.Geometry.MultiPolygon.geometries\n\nReturns the list of geometries in a GeometryCollection, or a singleton list of the geometry for single geometries.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------------|---------|\n| MultiPolygon.geometries`()` | List |\n\n| Argument | Type | Details |\n|------------------|----------|---------|\n| this: `geometry` | Geometry | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a MultiPolygon object.\nvar multiPolygon = ee.Geometry.MultiPolygon(\n [[[[-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423]]],\n [[[-122.081, 37.417],\n [-122.086, 37.421],\n [-122.089, 37.416]]]]);\n\n// Apply the geometries method to the MultiPolygon object.\nvar multiPolygonGeometries = multiPolygon.geometries();\n\n// Print the result to the console.\nprint('multiPolygon.geometries(...) =', multiPolygonGeometries);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(multiPolygon,\n {'color': 'black'},\n 'Geometry [black]: multiPolygon');\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# Define a MultiPolygon object.\nmultipolygon = ee.Geometry.MultiPolygon([\n [[\n [-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423],\n ]],\n [[[-122.081, 37.417], [-122.086, 37.421], [-122.089, 37.416]]],\n])\n\n# Apply the geometries method to the MultiPolygon object.\nmultipolygon_geometries = multipolygon.geometries()\n\n# Print the result.\ndisplay('multipolygon.geometries(...) =', multipolygon_geometries)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(\n multipolygon, {'color': 'black'}, 'Geometry [black]: multipolygon'\n)\nm\n```"]]
